implement depositing when the user cannot purchase an item

[c128-kasse] / src / credit_manager.c

diff --git a/src/credit_manager.c b/src/credit_manager.c
index ac6fb0a3c379bac8718661a17a9009e693f20303..277df54d43320662f214024f32733a0a79f69359 100644 (file)
--- a/src/credit_manager.c
+++ b/src/credit_manager.c
@@ -52,20 +52,22 @@ struct credits_t *find_credit(char *name){
 }
 
 /*
- * when depositing money with this and returning to the main menu, the program
- * will crash with a message like the following:
+ * Deposits credit for a user. Called in the credit manager (with input ==
+ * NULL) or interactively when the user does not have enough money for his
+ * intended purchase (with input == nickname).
  * 
  */
-static void deposit_credit() {
+void deposit_credit(char *input) {
        char *time = get_time();
-       char *input;
        struct credits_t *credit;
        unsigned int deposit;
 
-       cprintf("\r\nName:\r\n");
-       if ((input = get_input()) == NULL || *input == '\0')
-               return; // no name given
-               
+       if (input == NULL) {
+               cprintf("\r\nName:\r\n");
+               if ((input = get_input()) == NULL || *input == '\0')
+                       return; // no name given
+       }
+
        if ((credit = find_credit(input)) == NULL)
                return; // cannot find named credit
        
@@ -163,7 +165,7 @@ void credit_manager(){
                                        current_credits_page--;
                                break;
                        case 'p':
-                               deposit_credit(); break;
+                               deposit_credit(NULL); break;
                        case 'g':
                                cprintf("Filter eingeben:\r\n");
                                filter = get_input();